G-Shock Casioak Duo Rainbow Brick Analogue - Digital GM-2100 Series Mens Watch GM2100RW-1A. Case size 44.4mm x 11.8mm. Finished in Resin and Stainless Steel with a Bio-based resin band. Mineral Crystal Glass. WR rating of 200m. Quartz - Battery movement. Approximate weight of watch is 70gm.
Unleash vibrant colour and bold design with the G-SHOCK GM-2100RW-1A, a stunning fusion of style and toughness. This watch features a captivating rainbow-coloured brick wall pattern, inspired by the original G-SHOCK design. Utilizing advanced rainbow vapour deposition, the dial and glass showcase a dynamic, shifting effect, changing hues depending on the light.
Stay true to G-SHOCK’s legendary durability with the GM-2100 series, known for its rugged build and resilient spirit. The iridescent brick pattern on the GM-2100 model is achieved through a meticulous combination of silver vapour deposition, laser etching, and rainbow-coloured printing, creating a striking visual effect from every angle.
Crafted for modern fashion and performance, this timepiece features a glass fiber-reinforced resin case and a stainless steel bezel. The bezel undergoes intricate forging, cutting, and polishing techniques, with a mix of hairline and mirror finishes for a refined, high-end look. Additionally, the GM-2100RW-1A is made with eco-friendly, bio-based resin components, helping reduce environmental impact by utilizing renewable organic resources.
Designed with G-SHOCK's signature toughness, the GM-2100RW-1A also boasts a Super Illuminator LED light, ensuring visibility in any lighting condition.
What we love: Choose the G-SHOCK GM-2100RW-1A for an eye-catching accessory that blends innovative design, eco-conscious materials, and unbeatable toughness. Perfect for anyone who wants to push the limits of style and performance.
Ships in 1-3 Business Days from Sydney with Australia Post Express. Sydney customers can pick up on the same day from our Alexandria showroom after placing the order by choosing Click & Collect as the delivery option.
2 year Australian warranty from Shriro Australia. StarBuy are Authorised online and instore stockists of Casio G-Shock Watches. All Casio G-Shock Watches are shipped with local and an international manufacturers warranty and in G-Shock original packaging.
WARNING - KEEP NEW & USED BATTERIES OUT OF REACH OF CHILDREN. THIS PRODUCT CONTAINS A BUTTON or COIN CELL BATTERY.
Swallowing may lead to serious injury in as little as 2 hours or death, due to chemical burns and potential perforation of the oesophagus.
If you suspect your child has swallowed or inserted a button battery immediately call the 24-hour Poisons Information Centre on 13 11 26 for fast 24/7 expert advice.
Examine all Watches & Clocks received and make sure the battery compartment is correctly secured, e.g. that the screw or other fastener is tightened. Do not use if the compartment is not secure.
Dispose of used button batteries immediately and safely. Flat batteries can still be dangerous.
Button batteries are hazardous. Keep batteries out of reach of children.
Never allow children to replace batteries in any device.
We recommend exhausted batteries be individually wrapped in tape to insulate them from accidental contact and dispose of separately.

G-Shock GM2100RW-1A
$349.00
$549.00
$549.00
G-Shock Casioak Duo Rainbow Brick Analogue - Digital GM-2100 Series Mens Watch GM2100RW-1A. Case size 44.4mm x 11.8mm. Finished in Resin and Stainless Steel with a Bio-based resin band. Mineral Crystal Glass. WR rating of 200m. Quartz - Battery movement. Approximate weight of watch is 70gm.
Unleash vibrant colour and bold design with the G-SHOCK GM-2100RW-1A, a stunning fusion of style and toughness. This watch features a captivating rainbow-coloured brick wall pattern, inspired by the original G-SHOCK design. Utilizing advanced rainbow vapour deposition, the dial and glass showcase a dynamic, shifting effect, changing hues depending on the light.
Stay true to G-SHOCK’s legendary durability with the GM-2100 series, known for its rugged build and resilient spirit. The iridescent brick pattern on the GM-2100 model is achieved through a meticulous combination of silver vapour deposition, laser etching, and rainbow-coloured printing, creating a striking visual effect from every angle.
Crafted for modern fashion and performance, this timepiece features a glass fiber-reinforced resin case and a stainless steel bezel. The bezel undergoes intricate forging, cutting, and polishing techniques, with a mix of hairline and mirror finishes for a refined, high-end look. Additionally, the GM-2100RW-1A is made with eco-friendly, bio-based resin components, helping reduce environmental impact by utilizing renewable organic resources.
Designed with G-SHOCK's signature toughness, the GM-2100RW-1A also boasts a Super Illuminator LED light, ensuring visibility in any lighting condition.
What we love: Choose the G-SHOCK GM-2100RW-1A for an eye-catching accessory that blends innovative design, eco-conscious materials, and unbeatable toughness. Perfect for anyone who wants to push the limits of style and performance.
Ships in 1-3 Business Days from Sydney with Australia Post Express. Sydney customers can pick up on the same day from our Alexandria showroom after placing the order by choosing Click & Collect as the delivery option.
2 year Australian warranty from Shriro Australia. StarBuy are Authorised online and instore stockists of Casio G-Shock Watches. All Casio G-Shock Watches are shipped with local and an international manufacturers warranty and in G-Shock original packaging.
WARNING - KEEP NEW & USED BATTERIES OUT OF REACH OF CHILDREN. THIS PRODUCT CONTAINS A BUTTON or COIN CELL BATTERY.
Swallowing may lead to serious injury in as little as 2 hours or death, due to chemical burns and potential perforation of the oesophagus.
If you suspect your child has swallowed or inserted a button battery immediately call the 24-hour Poisons Information Centre on 13 11 26 for fast 24/7 expert advice.
Examine all Watches & Clocks received and make sure the battery compartment is correctly secured, e.g. that the screw or other fastener is tightened. Do not use if the compartment is not secure.
Dispose of used button batteries immediately and safely. Flat batteries can still be dangerous.
Button batteries are hazardous. Keep batteries out of reach of children.
Never allow children to replace batteries in any device.
We recommend exhausted batteries be individually wrapped in tape to insulate them from accidental contact and dispose of separately.
G-Shock Casioak Duo Rainbow Brick Analogue - Digital GM-2100 Series Mens Watch GM2100RW-1A. Case size 44.4mm x 11.8mm. Finished in Resin and Stainless Steel with a Bio-based resin band. Mineral Crystal Glass. WR rating of 200m. Quartz - Battery movement. Approximate weight of watch is 70gm.
Unleash vibrant colour and bold design with the G-SHOCK GM-2100RW-1A, a stunning fusion of style and toughness. This watch features a captivating rainbow-coloured brick wall pattern, inspired by the original G-SHOCK design. Utilizing advanced rainbow vapour deposition, the dial and glass showcase a dynamic, shifting effect, changing hues depending on the light.
Stay true to G-SHOCK’s legendary durability with the GM-2100 series, known for its rugged build and resilient spirit. The iridescent brick pattern on the GM-2100 model is achieved through a meticulous combination of silver vapour deposition, laser etching, and rainbow-coloured printing, creating a striking visual effect from every angle.
Crafted for modern fashion and performance, this timepiece features a glass fiber-reinforced resin case and a stainless steel bezel. The bezel undergoes intricate forging, cutting, and polishing techniques, with a mix of hairline and mirror finishes for a refined, high-end look. Additionally, the GM-2100RW-1A is made with eco-friendly, bio-based resin components, helping reduce environmental impact by utilizing renewable organic resources.
Designed with G-SHOCK's signature toughness, the GM-2100RW-1A also boasts a Super Illuminator LED light, ensuring visibility in any lighting condition.
What we love: Choose the G-SHOCK GM-2100RW-1A for an eye-catching accessory that blends innovative design, eco-conscious materials, and unbeatable toughness. Perfect for anyone who wants to push the limits of style and performance.
Ships in 1-3 Business Days from Sydney with Australia Post Express. Sydney customers can pick up on the same day from our Alexandria showroom after placing the order by choosing Click & Collect as the delivery option.
2 year Australian warranty from Shriro Australia. StarBuy are Authorised online and instore stockists of Casio G-Shock Watches. All Casio G-Shock Watches are shipped with local and an international manufacturers warranty and in G-Shock original packaging.
WARNING - KEEP NEW & USED BATTERIES OUT OF REACH OF CHILDREN. THIS PRODUCT CONTAINS A BUTTON or COIN CELL BATTERY.
Swallowing may lead to serious injury in as little as 2 hours or death, due to chemical burns and potential perforation of the oesophagus.
If you suspect your child has swallowed or inserted a button battery immediately call the 24-hour Poisons Information Centre on 13 11 26 for fast 24/7 expert advice.
Examine all Watches & Clocks received and make sure the battery compartment is correctly secured, e.g. that the screw or other fastener is tightened. Do not use if the compartment is not secure.
Dispose of used button batteries immediately and safely. Flat batteries can still be dangerous.
Button batteries are hazardous. Keep batteries out of reach of children.
Never allow children to replace batteries in any device.
We recommend exhausted batteries be individually wrapped in tape to insulate them from accidental contact and dispose of separately.